Recent questions tagged Python

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python - Setting data attributes on a WTForms field

I want to add "data-" attributes to a form field for integration with Bootstrap. I tried the following in a template: ... and how do I fix it? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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495 views

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python - How can I get the window focused on Windows and re-size it?

I want to get the focused window so I can resize it... how can I do it? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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301 views

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python - How to make a server discoverable to LAN clients

I am working on a multiplayer game in python that uses the socket library for its networking. The game ... handle this discoverability problem? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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575 views

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python - Installing MySQLdb on Mac OS X

I've spent several hours trying to install MySQLdb (the Python library) on Mac OS X Snow Leopard. I'm using ... : mach-o, but wrong architecture See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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365 views

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python - How do you calculate the greatest number of repetitions in a list?

If I have a list in Python like [1, 2, 2, 2, 2, 1, 1, 1, 2, 2, 1, 1] How do I ... also record the index at which the longest run began? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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388 views

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python - How to package Twisted program with py2exe?

I tried to package a Twisted program with py2exe, but once I run the exe file I built, I got a "No module ... do I solve this problem? Thanks. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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372 views

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python - How to display image stored in pandas dataframe?

import pandas as pd from scipy import misc import numpy as np import matplotlib.pyplot as plt W = {'img' ... storing the entire dataframe on RAM See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Cannot add layers to saved Keras Model. 'Model' object has no attribute 'add'

I have a saved a model using model.save(). I'm trying to reload the model and add a few layers and tune ... do we add to existing saved models? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Flask: IOError when saving uploaded files

I am learning Flask and am attempting to work through the uploading files pattern documented here: http://flask. ... be placed somewhere else? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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360 views

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python - pip install broken (pkg_resources.find_distribution returns empty list in req.py-prepare_files)

At some point my pip installation broke (I suspect when upgrading to Ubuntu 14.04) and I haven't been ... pointers would be most appreciated. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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471 views

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python - Networkx never finishes calculating Betweenness centrality for 2 mil nodes

I have a simple twitter users graph with around 2 million nodes and 5 million edges. I'm trying to play around ... fast, less than a minute. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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415 views

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python - Numpy - slicing 2d row or column vector from array

I'm trying to find a neat little trick for slicing a row/column from a 2d array and obtaining an array ... after every slicing? Cheers, Stephan See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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445 views

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python - Pythonic way to concatenate regex objects

I have python regex objects - say, re_first and re_second - I would like to concatenate. import re FLAGS_TO_USE = ... mess? Thanks in advance. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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276 views

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python - What's going on in tf.train.shuffle_batch and `tf.train.batch?

I use Binary data to train a DNN. But tf.train.shuffle_batch and tf.train.batchmake me confused. This is my ... on in tf.train.shuffle_batch? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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376 views

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python - How does numpy.swapaxes work?

I created a sample array: a = np.arange(18).reshape(9,2) On printing, I get this as output: ... diagrammatic explanation would be most helpful. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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481 views

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python - Find local maximums in numpy array

I am looking to find the peaks in some gaussian smoothed data that I have. I have looked at some of the peak detection ... return: r = [5,3,6] See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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375 views

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python - Setting Assumptions on Variables in Sympy Relative to Other Variables

I know that sympy in python can set assumptions on variables, such as x is positive, negative, real, complex, etc. I ... 1, but I'm not sure. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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385 views

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python - How to sort dataframe based on a column in another dataframe in Pandas?

Say I have two dataframes, df1 and df2 in the picture above. I want to sort the df1 based on the Col2 of df2 ... the same values, order in df2. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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386 views

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python - Pandas boxplot: set color and properties for box, median, mean

I have a DataFrame with a MultiIndex: # -*- coding: utf-8 -*- import numpy as np import pandas as pd ... no attribute 'set_xlabel' Any hints? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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569 views

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python - Flatten pandas pivot table

This is a follow up of my question. Rather than a pivot table, is it possible to flatten table to look like ... None None john None None None 21 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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433 views

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python - Django: Generic views based 'as_view()' method

I was working on an application wherein I created a generic ListView. Now, while defining that view in my urls ... some light into this concept? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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752 views

1 answer

python - MultiValueDictKeyError generated in Django after POST request on login page

I'm trying to build a login page. I'm running Django 1.6.1. I've largely been following the tutorial at www. ... form> </div> {% endblock %} See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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439 views

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python - Why am I getting NotImplementedError with async and await on Windows?

I have this code: import os import time import asyncio async def run_command(*args): """ Example from: http: ... 1703, OS build 15063.413 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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496 views

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python - Saving plots to pdf files using matplotlib

I want to save more than 1 plot to a pdf file. Here is my code: import matplotlib.pyplot as plt from matplotlib ... have labeled x and y axis. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.2k views

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python - Display OpenAI gym in Jupyter notebook only

I want to play with the OpenAI gyms in a notebook, with the gym being rendered inline. Here's a basic example: ... want this window to be open: See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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435 views

1 answer

python - matplotlib - 3d surface from a rectangular array of heights

I am trying to plot some HDF data in matplotlib. After importing them using h5py, the data is stored in a form ... but maybe it is not needed? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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647 views

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python - Why pickle eat memory?

I trying to deal with writing huge amount of pickled data to disk by small pieces. Here is the example code: ... thought it will be write()) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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708 views

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python - How to disable pylint 'Undefined variable' error for a specific variable in a file?

I am hosting IronPython inside a C# application and injecting an API for the host into the global scope ... : declare=host_object, other_stuff See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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